CO4 DISTRICT · COLCHESTER
Ardleigh mobile coverage Vodafone 100% indoors here, 86% across Colchester CO4 · Colchester
No network wins CO4 on overall coverage: all four score 100/100.
CO4: Ardleigh, Boxted, Myland, Langham, Great Horkesley, Lexden, Mile End, Wivenhoe.
CO4 scores
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EE
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O2
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Three
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Vodafone
Ofcom Mobile Coverage data (May 2025), measured across 246 addresses in 6 sampled postcodes: CO4 0ET, CO4 0NY, CO4 9RD, CO4 9RZ, CO4 9SW, CO4 9UG. Methodology.
How CO4 compares
Against the Colchester average
- Vodafone indoors: 100% here, 86% across Colchester (+14).
- O2 indoors: 100% here, 90% across Colchester (+10).
- Three indoors: 100% here, 91% across Colchester (+9).
Weakest spot in Colchester: CO6 Marks Tey, where Vodafone reaches 21% indoors.
Indoor signal around CO4
| District | km away | EE | O2 | Three | Vodafone |
|---|---|---|---|---|---|
| CO4 Ardleigh (here) | – | 97% | 100% | 100% | 100% |
| CO1 Tiptree, Myland | 3 | 100% | 100% | 100% | 100% |
| CO2 Stanway, Birch | 5 | 79% | 94% | 86% | 100% |
| CO3 Stanway, Birch | 5 | 100% | 77% | 100% | 100% |
| CO7 Frating, Ardleigh | 7 | 100% | 100% | 71% | 100% |
| Colchester average | – | 90% | 90% | 91% | 86% |
Biggest difference nearby: EE indoors, 97% here and 79% in CO2 Stanway, 5 km away.
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1pMobile runs on EE's network: £5 a month for 5GB (read 19 October 2026). A price, not a coverage ranking: Ofcom separates no network here.
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